Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
not sincerely
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "not sincerely" is correct and usable in written English.
It can be used in contexts where you want to express a lack of genuine sentiment, often in a closing of a letter or message. Example: "Thank you for your feedback, but I must respond with my thoughts, not sincerely, John."
✓ Grammatically correct
News & Media
Science
Wiki
Encyclopedias
Alternative expressions(5)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
11 human-written examples
He is not sincerely for liberalization.
News & Media
He is not sincerely thanking you, but that pause will break your heart.
News & Media
It would be a serious error to believe that it has not sincerely wrestled with the seductive challenge of democracy, with the fact that the Egyptian faithful like the idea of voting for their leaders.
News & Media
The basic doctrine of the Khārijites was that a person or a group who committed a grave error or sin and did not sincerely repent ceased to be Muslim.
Encyclopedias
So if they do not sincerely believe that they can accept the requirements of a conception of justice and conform their actions and life plans accordingly, then these are strong reasons to avoid choosing those principles.
Science
Hobbes adds one proviso here, which may be called the "sincerity clause," namely that one violates the law of nature, or acts without right, when one acts in a way that one does not sincerely believe contributes to one's preservation (1.10n).
Science
Human-verified similar examples from authoritative sources
Similar Expressions
49 human-written examples
In 2004 Mr Blair told the Labour Party's annual conference: "I can apologise for the information that turned out to be wrong, but I can't, sincerely at least, apologise for removing Saddam".
News & Media
Surely they can't sincerely think it's acceptable for children to leave school (as mine have all done) knowing nothing whatever about the Norman conquest, the English civil war or the Glorious Revolution, but plenty (well, a bit) about the Third Reich, the New Deal and the civil rights movement?
News & Media
Blair did say in a speech to Labour party conference in 2004, over a year after the invasion: "I can apologise for the information [about WMDs] that turned out to be wrong, but I can't, sincerely at least, apologise for removing Saddam.
News & Media
As Shiny Shiny writes, it's "so great for sports enthusiasts" and who among us doesn't sincerely enjoy sport?
News & Media
"We're not saying you should only stay at your company if you want to [organise a ] barbecue with your team every weekend, but if you don't sincerely enjoy and respect the people you spend 10 hours a day with, you can be sure you will eventually decide to leave your organisation.
News & Media
Expert writing Tips
Best practice
Use alternatives like "insincerely" or "dishonestly" for more direct and impactful language.
Common error
Avoid using "not sincerely" when a more direct statement of dishonesty is appropriate; ensure the subtlety doesn't obscure your intended meaning.
Source & Trust
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "not sincerely" typically functions as an adverbial modifier, qualifying a verb or adjective to indicate a lack of genuineness. According to Ludwig, this implies the absence of true feeling or intention behind an action or statement.
Frequent in
News & Media
50%
Wiki
20%
Science
20%
Less common in
Encyclopedias
10%
Formal & Business
0%
Social Media
0%
Ludwig's WRAP-UP
The phrase "not sincerely" serves as an adverbial modifier to express a lack of genuineness or authenticity in an action or statement. As highlighted by Ludwig, its neutral register and prevalent use in News & Media, Science and Wiki suggest its value in objective and precise communication. While interchangeable with terms like "insincerely" or "dishonestly", writers should be mindful of the subtle difference, choosing the word that best conveys their intended degree of skepticism and meaning. Its uncommon usage suggests that although it is correct, it is not commonly used.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
insincerely
Direct antonym, replacing the phrase with a single adverb.
without sincerity
Replaces the adverb with a prepositional phrase.
not genuinely
Substitutes "sincerely" with "genuinely", keeping the negative and adverbial form.
dishonestly
Replaces the entire phrase with an adverb implying deception.
falsely
Suggests the expression is untrue or misleading.
hypocritically
Implies a contradiction between expressed beliefs and actual behavior.
without meaning it
Conveys the lack of true intent or feeling behind the words or actions.
not in earnest
Indicates the expression is not serious or truthful.
disingenuously
Similar to "insincerely" but suggests a level of artfulness or calculation.
with feigned emotion
Specifies that the emotion expressed is not real, but simulated.
FAQs
How can I use "not sincerely" in a sentence?
You can use "not sincerely" to express doubt about the genuineness of an action or statement. For example: "He apologized, but it seemed "not sincerely"."
What are some alternatives to "not sincerely"?
Alternatives include "insincerely", "dishonestly", or "without sincerity". The best choice depends on the specific context and the nuance you want to convey.
Is it better to say "sincerely" or "genuinely"?
Both "sincerely" and "genuinely" imply truthfulness, but "sincerely" often suggests a deeper emotional commitment, while "genuinely" emphasizes authenticity. Replacing "not sincerely" with "not genuinely" might fit better depending on the context.
What's the difference between "not sincerely" and "falsely"?
"Not sincerely" suggests a lack of genuine feeling or honesty, while "falsely" implies a deliberate misrepresentation of facts. The former is about the spirit, the latter about the truth.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested